unaware

Etymology

un- + aware

adj

1. Not aware or informed; lacking knowledge.
   I'm unaware of the answer to that question.
   Luckily, she was unaware that I'd spent the last five years in prison.
   The more unaware the self is of other selves, that is, the more complete the splits, the greater the degree of schizoid pathology. 1989, Journal of contemporary psychotherapy, volume 19
2. Not noticing; paying no heed; thoughtless; inattentive.
   Or on the mat devoutly kneeling, Would lift her eyes up to the ceiling, And heave her bosom unaware For neighbouring beaux to see it bare. 1716, Jonathan Swift, Phyllis, or the Progress of Love